The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2011
Filed:
Dec. 09, 2008
Kazunori Fukuma, Saitama, JP;
Kazunori Fukuma, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
An ejector is provided with a first fluid chamber into which hydrogen gas is introduced; a rod-shaped needle; a nozzle exhausting hydrogen gas introduced into the first fluid chamber from an exhaust port; a second fluid chamber into which hydrogen off-gas is introduced; a diffuser provided at the exhaust port of the nozzle; and a third fluid chamber into which air is introduced. The first fluid chamber is provided between the second fluid chamber and the third fluid chamber. The first diaphragmseparates the first fluid chamber and the second fluid chamber and the second diaphragm separates the first chamber and the third fluid chamber. Then, the needle and the nozzle moves to approach each other by the pressure of air introduced into the third fluid chamber and isolate each other by the pressure of hydrogen off-gas introduced into the second fluid chamber.